CVE-2021-4020

    Dashboard / Vulnerabilities / CVE-2021-4020

    CVE-2021-4020

    Published: 27 Nov 2021Last Modified: 8 Jul 2026

    Summary:

    Details: janus-gateway is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

    References: https://github.com/meetecho/janus-gateway/commit/d3fc00ec803d6c41d8f98908732f44e7f4911a1c, https://huntr.dev/bounties/9814baa8-7bdd-4e31-a132-d9d15653409e

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.11.5
    v0.11.4
    v0.11.3
    v0.11.2
    v0.11.1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-4020 | CVE-DB